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Ruwen Zhang - IEEE Xplore Author Profile

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Layer-3 load balancing is a key topic in the networking field. It is well acknowledged that flowlet is the most promising solution because of its good trade-off between load balance and packet reordering. However, we find its one significant limitation: it makes the forwarding paths of flows unpredictable. To address this limitation, this article presents BurstBalancer, a simple yet efficient load...Show More
In this paper, we propose a generic sketch algorithm capable of achieving more accuracy in the following five tasks: finding top-$k$k frequent items, finding heavy hitters, per-item frequency estimation, and heavy changes in the time and spatial dimension. The state-of-the-art (SOTA) sketch solution for multiple measurement tasks is ElasticSketch (ES). However, the accuracy of its frequency estima...Show More
Sketch-based measurement has emerged as a promising solutions due to its high accuracy and resource efficiency. Prior sketches focus on measuring single flow keys and cannot support measurement on multiple keys. This work takes a significant step towards supporting arbitrary partial key queries, which aims to provide information for any key in the predefined range of possible flow keys. The design...Show More
Clock synchronization is an essential but challenging task for internet of things (IoT) devices. The state-of-the-art data-driven Huygens solution cannot achieve accuracy for IoT networks, because the devices are usually weak in power to make massive timestamp probing for data-driven solutions. We propose the SSA clock synchronization scheme to improve the Huygens algorithm. First, SSA has a slidi...Show More
Layer-3 load balancing is a key topic in the networking field. It is well acknowledged that flowlet is the most promising solution because of its good trade-off between load balance and packet reordering. However, we find its one significant limitation: it makes the forwarding paths of flows unpredictable. To address this limitation, this paper presents BurstBalancer, a simple yet efficient load b...Show More